Performance of low-complexity code acquisition for direct-sequence spread spectrum systems

K. Yu*, I. B. Collings

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


The authors consider a low-complexity technique for direct-sequence spread spectrum code acquisition. They present performance analysis in Rayleigh fading channels, and with carrier frequency offset in the receiver. They derive analytical expressions for acquisition probabilities, and use them to determine the mean and variance of the acquisition time. It is shown that acceptable performance can be achieved with significant reduction in hardware requirements, compared to conventional detectors. Simulations confirm the analytical results. Performance comparisons are presented under a range of scenarios including significant frequency offsets and fading channels.

Original languageEnglish
Pages (from-to)453-460
Number of pages8
JournalIEE Proceedings: Communications
Issue number6
Publication statusPublished - Dec 2003
Externally publishedYes


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